94657521 has 16 divisors (see below), whose sum is σ = 145200128. Its totient is φ = 53730000.

The previous prime is 94657481. The next prime is 94657529. The reversal of 94657521 is 12575649.

It is not a de Polignac number, because 94657521 - 2⁹ = 94657009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94657521.

It is not an unprimeable number, because it can be changed into a prime (94657529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11755 + ... + 18096.

It is an arithmetic number, because the mean of its divisors is an integer number (9075008).

Almost surely, 2^94657521 is an apocalyptic number.

It is an amenable number.

94657521 is a deficient number, since it is larger than the sum of its proper divisors (50542607).

94657521 is a wasteful number, since it uses less digits than its factorization.

94657521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30012.

The product of its digits is 75600, while the sum is 39.

The square root of 94657521 is about 9729.2096801333. The cubic root of 94657521 is about 455.7412881120.

The spelling of 94657521 in words is "ninety-four million, six hundred fifty-seven thousand, five hundred twenty-one".